Dielectric spectroscopy of solid solutions based on sodium-potassium-cadmium in the temperature range (10 ÷ 900) K

查看全文 作　　者：[1]M.O.Moysa;[1]K.P.Andryushin;[2]A.V.Pavlenko;[1]S.P.Kubrin;[1]L.A.Reznichenko

机构地区：[1]Research Institute of Physics,Southern Federal University,194 Stachki Avenue 344090,Rostov-on-Don,Russia;[2]Southern Scientific Centre,Russian Academy of Sciences,Chehov av.41,344000 Rostov-on-Don,Russia

出　　处：《Journal of Advanced Dielectrics》索引2022年第12卷第4期,共4页

基　　金：The research was supported by the Strategic Academic Leadership Program of the Southern Federal University(“Priority 2030”);This report is presented at the 10th Anniversary International Conference on“Physics and Mechanics of New Materials and Their Applications”(PHENMA 2021),Divnomorsk,Russia,May 23-27,2022. 摘　　要：This paper studies the dielectric spectra of solid solutions(SS)of the system(1−x−y)NaNbO_(3)-xKNbO_(3)-yCdNb_(2)O_(6) y=0.075,x=0.05÷0.30 in the temperature range(10÷900)K.The formation of a local maximum was established in the interval(260÷300)K at small x values,which,as KNbO3 increases,is gradually blurred and becomes an inflection point.Detected in SS with x=0.05÷0.10,the shift of the maxima of dependencesε′/ε_(0)(T)andε″/ε_(0)(T),depending on the frequency of the electric field at the temperature ranges(300÷304)K and(258÷271)K,is not related to relaxation.This anomaly may indicate a crystallographic disorder to A and B positions.The conclusion is made about the expediency of using the obtained results for the development of functional ferroactive materials. 关键词：Dielectric spectroscopy lead-free ceramics KNN

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Dielectric spectroscopy of solid solutions based on sodium-potassium-cadmium in the temperature range (10 ÷ 900) K

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